hive> select product_id, track_time from trackinfo limit 5; Total MapReduce jobs = 1 Launching Job 1 out of 1 Number ...
以上述sql創建表json nested test后,查詢時發現報錯:Failed with exception java.io.IOException:org.apache.hadoop.hive.serde .SerDeException: java.io.IOException: Start of Array expected 於是進行如下測試,發現是org.apache.hive.hca ...
2017-05-28 18:49 0 3222 推薦指數:
hive> select product_id, track_time from trackinfo limit 5; Total MapReduce jobs = 1 Launching Job 1 out of 1 Number ...
昨晚突然之間mr跑步起來了 jps查看 進程都在的,但是在reduce任務跑了85%的時候會拋異常 異常情況如下: 2016-09-21 21:32:28,538 INFO [org.apache.hadoop.mapreduce.Job] - map 100% reduce 84 ...
sqoop從mysql導入到hive報錯: 原因:缺少了hive-common-2.3.3.jar包,在hive的lib目錄下,拷貝到sqoop的lib目錄下即可。 ...
解決 在 /opt/cloudera/parcels/CDH/lib/hive/lib路徑下找到hive-contrib-2.1.1-cdh6.0.0.jar包,上傳到HDFS,添加即可add jar hdfs://hadoop1:8020/common/jar ...
用戶使用的sql: select count( distinct patient_id ) from argus.table_aa000612_641cd8ce_ceff_4ea0_9b27_0a3a743f0fe3; 下面做不同的測試: 1.beeline -u jdbc:hive ...
同時處理請求的任務上限,總默認值是 4096,該參數取值范圍[1 to 8192] hadoop doc ...
ERROR: Can't get master address from ZooKeeper; znode data == null 一定注意這只是問題的第一層表象,真的問題是: File /h ...
在Hive命令行執行查詢時,出現錯誤 Error: java.io.IOException: org.apache.hadoop.hdfs.BlockMissingException: Could not obtain block ...